101201021097 has 16 divisors (see below), whose sum is σ = 155860396992. Its totient is φ = 57726072320.

The previous prime is 101201021081. The next prime is 101201021101. The reversal of 101201021097 is 790120102101.

It is a cyclic number.

It is not a de Polignac number, because 101201021097 - 2⁴ = 101201021081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101201021017) 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, 90196428 + ... + 90197549.

It is an arithmetic number, because the mean of its divisors is an integer number (9741274812).

Almost surely, 2^101201021097 is an apocalyptic number.

101201021097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

101201021097 is a deficient number, since it is larger than the sum of its proper divisors (54659375895).

101201021097 is a wasteful number, since it uses less digits than its factorization.

101201021097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180394008.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 101201021097 its reverse (790120102101), we get a palindrome (891321123198).

The spelling of 101201021097 in words is "one hundred one billion, two hundred one million, twenty-one thousand, ninety-seven".