2101101020210 has 32 divisors (see below), whose sum is σ = 3951671035392. Its totient is φ = 802829016000.

The previous prime is 2101101020147. The next prime is 2101101020219. The reversal of 2101101020210 is 120201011012.

It is a junction number, because it is equal to n+sod(n) for n = 2101101020191 and 2101101020200.

It is not an unprimeable number, because it can be changed into a prime (2101101020219) 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, 5909309 + ... + 6254768.

It is an arithmetic number, because the mean of its divisors is an integer number (123489719856).

Almost surely, 2^{2101101020210} is an apocalyptic number.

2101101020210 is a deficient number, since it is larger than the sum of its proper divisors (1850570015182).

2101101020210 is a wasteful number, since it uses less digits than its factorization.

2101101020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164858.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101101020210 its reverse (120201011012), we get a palindrome (2221302031222).

The spelling of 2101101020210 in words is "two trillion, one hundred one billion, one hundred one million, twenty thousand, two hundred ten".