Search a number
-
+
2101111002210 = 23511192341355361
BaseRepresentation
bin11110100100110011111…
…110011001010001100010
321102212100001000221201210
4132210303332121101202
5233411033404032320
64245123112410550
7304541326562043
oct36446376312142
97385301027653
102101111002210
11740092426330
1229b2619a6a56
131231982a756c
14739a12b48ca
15399c4a230e0
hex1e933f99462

2101111002210 has 256 divisors, whose sum is σ = 6189780602880. Its totient is φ = 450312192000.

The previous prime is 2101111002181. The next prime is 2101111002217. The reversal of 2101111002210 is 122001111012.

It is not an unprimeable number, because it can be changed into a prime (2101111002217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5734930 + ... + 6090290.

It is an arithmetic number, because the mean of its divisors is an integer number (24178830480).

Almost surely, 22101111002210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101111002210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3094890301440).

2101111002210 is an abundant number, since it is smaller than the sum of its proper divisors (4088669600670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101111002210 is a wasteful number, since it uses less digits than its factorization.

2101111002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355465.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101111002210 its reverse (122001111012), we get a palindrome (2223112113222).

The spelling of 2101111002210 in words is "two trillion, one hundred one billion, one hundred eleven million, two thousand, two hundred ten".