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211210100101 = 71113210999101
BaseRepresentation
bin1100010010110100011…
…0100101110110000101
3202012011121001202220001
43010231012211312011
511430024241200401
6241010101241301
721154661141410
oct3045506456605
9665147052801
10211210100101
1181634660340
1234b25a03231
1316bbc9290c0
14a318c42b77
1557626b5601
hex312d1a5d85

211210100101 has 16 divisors (see below), whose sum is σ = 283582793088. Its totient is φ = 151919352000.

The previous prime is 211210100093. The next prime is 211210100107. The reversal of 211210100101 is 101001012112.

It is not a de Polignac number, because 211210100101 - 23 = 211210100093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210100107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105498550 + ... + 105500551.

It is an arithmetic number, because the mean of its divisors is an integer number (17723924568).

Almost surely, 2211210100101 is an apocalyptic number.

It is an amenable number.

211210100101 is a deficient number, since it is larger than the sum of its proper divisors (72372692987).

211210100101 is a wasteful number, since it uses less digits than its factorization.

211210100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210999132.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211210100101 its reverse (101001012112), we get a palindrome (312211112213).

It can be divided in two parts, 2112 and 10100101, that multiplied together give a palindrome (21331413312).

The spelling of 211210100101 in words is "two hundred eleven billion, two hundred ten million, one hundred thousand, one hundred one".

Divisors: 1 7 11 13 77 91 143 1001 210999101 1476993707 2320990111 2742988313 16246930777 19200918191 30172871443 211210100101